/Engine/Source/Runtime/Engine/Classes/Kismet/ImportanceSamplingLibrary.h
Importance probability weight for given texel
float ImportanceWeight ( [FColor](API\Runtime\Core\Math\FColor) Texel, [TEnumAsByte](API\Runtime\Core\Containers\TEnumAsByte)< [EImportanceWeight::Type](API\Runtime\Engine\Kismet\EImportanceWeight__Type) > WeightingFunc ) const